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    <title>常用标签DIV</title>
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<body>
    <h1>盒子模型</h1>
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            <div style="height:200px; width:200px; border:5px solid #ccc; background-color:blue; display:inline-block;"></div>
            <div style="height:200px; width:200px; border:5px solid #ccc; background-color:blue; display:inline-block;"></div>
            <div style="height:200px; width:200px; border:5px solid #ccc; background-color:blue; display:inline-block;"></div>

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